Home / 22,345.64-30,835.62-12,272.12

Finding the Fourth Proportional to 22,345.64, 30,835.62 and 12,272.12

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Solution

The fourth proportional to 22,345.64, 30,835.62 and 12,272.12 is: 16,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.64 : 30,835.62 = 12,272.12 : x
  2. Step 2: Convert to fraction form
    22,345.64/30,835.62 = 12,272.12/x
  3. Step 3: Cross multiply
    22,345.64x = 30,835.62 × 12,272.12
  4. Step 4: Simplify right side
    22,345.64x = 378,418,428.91
  5. Step 5: Solve for x
    x = 378,418,428.91/22,345.64
  6. Step 6: Final answer
    x = 16,934.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.